load method
Loads the record.
keepPrevious holds the currently-shown record while the new one loads,
and holds it through a failure too — a refresh that fails must not cost
the user the data they were already reading. Default false so a first
load, or a move to a different record, never shows the previous one's
values under the new one's title.
Implementation
Future<void> load({bool keepPrevious = false}) =>
_load(keepPrevious: keepPrevious, silentFailure: false);